Chunk #31 — 3 Inverse solutions — 3.1 Non parametric optimization methods — 3.1.1 The Bayesian framework — The Gaussian or Normal density function

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Review on solving the inverse problem in EEG source analysis.

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where z is a normalization constant called the partition function, F α (x) = U1(x) + αL(x) where U1(x) and L(x) are energy functions associated with p(y | x) and p(x) respectively, and α (a positive scalar) is a tuning or regularization parameter. Then